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run code in 200+ php & hhvm versions
Bugs & Features
<?php $gmp = gmp_add(0, 0); var_dump($gmp); $gmpWas = $gmp; $gmp++; var_dump($gmp); var_dump($gmp === $gmpWas);
based on R9cdc
Output for 5.6.8 - 5.6.20, 5.6.28 - 7.0.5, 7.0.20 - 7.2.0
object(GMP)#1 (1) { ["num"]=> string(1) "0" } object(GMP)#2 (1) { ["num"]=> string(1) "1" } bool(false)
Output for 7.0.6
Fatal error: Uncaught Error: Call to undefined function gmp_add() in /in/gYh8l:3 Stack trace: #0 {main} thrown in /in/gYh8l on line 3
Process exited with code 255.
Output for 5.3.20 - 5.3.29, 5.5.35, 5.6.21
Fatal error: Call to undefined function gmp_add() in /in/gYh8l on line 3
Process exited with code 255.
Output for 5.4.10 - 5.5.34
resource(5) of type (GMP integer) resource(5) of type (GMP integer) bool(true)